Physics-Unit 1 0.0 / 5 ? PhysicsElectricityGCSEAQA Created by: AVAMKXCreated on: 24-05-16 20:24 What is transferred through the National Grid? Electricity 1 of 4 Why is a high voltage used? It decreases the amount of energy wasted in cables 2 of 4 What does a decrease in wavelength of an object suggest? That it is moving closer to the observer 3 of 4 The angle of incidence and the angle of refraction are equal when diffraction occurs. Is this statement correct? Thatis incorrect, 4 of 4
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